The TPS543C20 employs an internally compensated emulated peak-current-mode control, with a clock synchronizable, fixed-frequency modulator for EMI-sensitive POL. The internal integrator and directly amplifying ramp tracking loop eliminate the need for external compensation over a wide range of frequencies thereby making the system design flexible, dense, and simple. Optional API and body braking help improve transient performance by significantly reducing undershoot and overshoot, respectively. Integrated NexFET™ MOSFETs with low-loss switching facilitate high efficiency and deliver up to 40 A in a 5-mm × 7-mm PowerStack™ package with a layout friendly thermal pad. Two TPS543C20 devices can be stacked together to provide up to 80-A point-of-load.
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The TPS543C20EVM-054 evaluation module provides a fixed 0.9-V output at up to 40 A from a nominal 12-V input bus. The design acheives 90% peak efficiency.
The TPS543C20EVM-869 is a two-phase buck converter with two TPS543C20 devices interleaved. It uses a nominal 12-V bus to produce a regulated 0.9-V output at up to 80-A load current (40-A per phase). The TPS543C20EVM-869 is designed to demonstrate the stacking operation of the TPS543C20. The (...)
| Package | Pins | CAD symbols, footprints & 3D models |
|---|---|---|
| LQFN-CLIP (RVF) | 40 | Ultra Librarian |
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